Sample_exam2 - Biopsychology (Psy 308) Sample Exam 2 Dr....

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Biopsychology (Psy 308) – Sample Exam 2 Dr. Alcantara 1. Which of the following techniques creates a brain lesion by stimulating neurons to death? A. Kainic acid. B. Radio-frequency current. C. 6-hydroxydopamine. D. Sham lesion. 2. Which of the following describes the procedure used to make a sham lesion? A. Do everything that would be done to produce a lesion except do not turn on the current or start the infusion. B. Produce a lesion on one side of the brain only. C. Cool the brain with a cryode. D. Locate the site of the lesion on a stereotaxic atlas prior to inserting the electrode. 3. The area where the skull bones come together that also serves as a reference point during stereotaxis surgery is called A. the sagittal sutures. B. stereotaxis. C. bregma. D. the optic chiasm. 4. Functional MRI (fMRI) A. was the first imaging technique for studying the living brain. B. images are not as detailed as those obtained using PET scanners. C. permits the measuring of regional metabolism. D. can be used to locate any radioactive substance. 5. Microelectrodes are used to record the electrical activity of A. individual neurons in the brain B. entire regions deep within the brain. C. the fluid that fills the ventricles. D. the synaptic cleft. 6. What is the name of the histological procedure in which blood is drained and replaced by another fluid, such as a salt solution? A. Fixation. B. Labeling. C. Perfusion. D. Leeching. 7. A thin brain slice is generally referred to as a brain A. piece. B. section. C. cut. D. view.
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8. Which labeling method uses chemicals that are taken up by dendrites or cell bodies and subsequently transported through axons toward terminal buttons? A. Anterograde. B. Retrograde. C. Postsynaptic. D. Presynaptic. 9. Which of the following methods can be used to detect the presence of receptors directly? A. Microiontophoresis. B. In situ hybridization. C. High-performance liquid chromatography. D. Immunocytochemistry. 10. People with achromatopsia have A. difficulty tracking a moving object. B. lost some or all of their color vision. C. no peripheral vision.
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Sample_exam2 - Biopsychology (Psy 308) Sample Exam 2 Dr....

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